<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <script>
		
		 window.onload = function(){
		             //屏蔽键盘事件
		            document.onkeydown = function (){
		               var e = window.event || arguments[0];
		                 //F12
		                if(e.keyCode == 123){
		                     return false;
		                 //Ctrl+Shift+I
		                 }else if((e.ctrlKey) && (e.shiftKey) && (e.keyCode == 73)){
		                     return false;
		                 //Shift+F10
		                 }else if((e.shiftKey) && (e.keyCode == 121)){
		                     return false;
		                 //Ctrl+U
		                 }else if((e.ctrlKey) && (e.keyCode == 85)){
		                     return false;
		                 }
		             };
		             //屏蔽鼠标右键
		             document.oncontextmenu = function (){
		                 return false;
		             }
		        }
		
		
		
      var coverSupport = 'CSS' in window && typeof CSS.supports === 'function' && (CSS.supports('top: env(a)') ||
        CSS.supports('top: constant(a)'))
      document.write(
        '<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' +
        (coverSupport ? ', viewport-fit=cover' : '') + '" />')
    </script>
    <title></title>
    <!--preload-links-->
    <!--app-context-->
  </head>
  <body>
    <div id="app"><!--app-html--></div>
    <script type="module" src="/main.js"></script>
  </body>
</html>
